| Leighton Buzzard to Opwijk | 218.69 mi (351.94 km) |
| Leighton Buzzard to Ostend | 161.00 mi (259.11 km) |
| Leighton Buzzard to Oud-Heverlee | 241.62 mi (388.86 km) |
| Leighton Buzzard to Oud-Turnhout | 245.63 mi (395.31 km) |
| Leighton Buzzard to Oudenaarde | 197.96 mi (318.58 km) |
| Leighton Buzzard to Oudenburg | 165.26 mi (265.95 km) |
| Leighton Buzzard to Oupeye | 284.70 mi (458.17 km) |
| Leighton Buzzard to Overijse | 237.40 mi (382.05 km) |
| Leighton Buzzard to Overpelt | 265.42 mi (427.15 km) |
| Leighton Buzzard to Paal | 258.21 mi (415.55 km) |
| Leighton Buzzard to Peer | 268.32 mi (431.82 km) |
| Leighton Buzzard to Pepinster | 295.21 mi (475.10 km) |
| Leighton Buzzard to Peruwelz | 207.57 mi (334.06 km) |
| Leighton Buzzard to Perwez | 252.95 mi (407.08 km) |
| Leighton Buzzard to Philippeville | 255.44 mi (411.09 km) |
